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Thread: Warming Pan Question

  1. #1
    Join Date
    Nov 2017
    Location
    Turner, ME
    Posts
    18

    Default Warming Pan Question

    I'm getting ready to build a new 2'x3' evaporator, continuous flow pan and warming pan. My thought is to build the warming pan as part of the stack so it captures all the heat going out. I would weld a piece of stainless pipe in the center of the warming pan and add the stove pipe on top of this. Kind of hard to explain but would this be too much heat? Would I run into scorching problems?

  2. #2
    Join Date
    Jan 2006
    Location
    Oneida NY
    Posts
    8,581

    Default

    You would get burnt sap at and just above the sap level. Look at the way member Johnny Cuervo made a pre-heater, shown on his web site: http://flickr.com/photos/57535094@N0...7601539320490/
    Dave Klish about 1320 taps in '15, down to about 700 in '16, up to 850 for 2018?
    2012 Mahindra 36 HP 4x4/ loader/cab/heat/AC:-)
    added a gooseneck equipment trailer and F350 to tow it to haul more sap
    3x8 raised flue evaporator
    250 GPH converted to electric, RO by Ray Gingerich
    6.32 KW solar system, 1.48KW is battery backed up, all net metered
    http://s1041.photobucket.com/albums/...anssugarhouse/
    website: www.cnymaple.com

  3. #3
    Join Date
    Feb 2012
    Location
    Fond du Lac, Wisconsin
    Posts
    772

    Default

    If you want to run a 2 x 3 evaporator and are building it, why not build a 2 x 4 and not use a preheater? If it is a divided pan the first section would be your "warming" pan. This would be more efficient and you would not get the burning on the sides or condensation dripping back in.

  4. #4
    Join Date
    Nov 2017
    Location
    Turner, ME
    Posts
    18

    Default

    That is a good question and something I hadn't considered. I guess I'm looking for the best option before I start building. I'm still new to this so any input is greatly appreciated.

  5. #5
    Join Date
    Oct 2009
    Location
    Maine
    Posts
    281

    Default

    My personal opinion your stack will not generate enough heat to scorch anything in a perheat pan. Depending on how big it is and how much sap is in it i guess. Many years ago when i had a homemade 2x6 i had a similar set up as to what you want to build for a prebeater. Mine would barley get warm because it was taking in fresh sap quicker then it was heating it.
    24x24 heavy timber post and beam sugar house. 2013 CDL 2.5x8 deluxe raised flue 750 taps on vacuum.

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